Differential current fertility in the United States

Dades bibliogràfiques
Autor principal:	Cho, Lee-Jay
Altres autors:	Bogue, Donald J., Grabill, Wilson H.
Format:	Llibre
Idioma:	English
Publicat:	Chicago Community Family Study Center 1970.
Matèries:	Fertility, Human > United States. United States > Population. United States > Statistics, Vital.